Breaking Pore Symmetry to Prolong DNA Residence in Solid-State Nanopores
Rapid DNA transport limits the temporal resolution of solid-state nanopore sensing. Here we show that breaking pore symmetry through geometric inclination produces exceptionally prolonged DNA residence without surface functionalization or external trapping. For 500-base-pair double-stranded (ds) DNA ,13 nm diameter SiNx pores in tilted membranes exhibit a distinct long-lived population with a…
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